django 安装编码问题

最新推荐文章于 2024-09-19 10:09:50 发布

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本文记录了一次在Win10系统中，因使用中文用户名而导致Django安装失败的问题。通过分析ntpath.py源码，确认了错误原因是路径编码不匹配。提供了两种解决方案：一是修改ntpath.py文件的默认编码为UTF-8；二是更改系统用户名为英文。

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今天重装了win10系统，需要重搭开发环境。
但在重装django包的时候出现了安装错误：UnicodeDecodeError: ‘ascii’ codec can’t decode…
怀疑是重装系统时把用户名设为中文名的缘故。于是在D:\python\Lib\下找到ntpath.py文件，疯狂打印，在下面打印路径的时候发现并确认了是这个原因

# Join two (or more) paths.
def join(path, *paths):
    """Join two or more pathname components, inserting "\\" as needed."""
    result_drive, result_path = splitdrive(path)
    for p in paths:
        p_drive, p_path = splitdrive(p)
        if p_path and p_path[0] in '\\/':
            # Second path is absolute
            if p_drive or not result_drive:
                result_drive = p_drive
            result_path = p_path
            continue
        elif p_drive and p_drive != result_drive:
            if p_drive.lower() != result_drive.lower():
                # Different drives => ignore the first path entirely
                result_drive = p_drive
                result_path = p_path
                continue
            # Same drive in different case
            result_drive = p_drive
        # Second path is relative to the first
        if result_path and result_path[-1] not in '\\/':
            result_path = result_path + '\\'
        result_path = result_path + p_path
        print result_path   		# 把路径打印出来
    ## add separator between UNC and non-absolute path
    if (result_path and result_path[0] not in '\\/' and
        result_drive and result_drive[-1:] != ':'):
        return result_drive + sep + result_path
    return result_drive + result_path

解决：
方法一：在ntpath.py文件开头添加以下代码即可

import sys
defaultencoding = 'utf-8'
if sys.getdefaultencoding() != defaultencoding:
    reload(sys)
    sys.setdefaultencoding(defaultencoding)

方法二：修改用户名为英文或切换用户